<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>删除列表项</title>
    <script src="../js/vue.js"></script>
  </head>
  <body>
    <!-- 挂载点 -->
    <div id="app">
        <!-- 标签，提示用户 输入学号和姓名 -->
         <label for="StuId">学号</label>
         <input type="text" v-model="tempId" id="StuId"></input>
         <label for="StuName">姓名</label>
         <input type="text" v-model="tempName" id="StuName"></input>
        <!-- 添加按钮 -->
        <button v-on:click="addItem">添加</button>
          <!-- 列表渲染 -->
          <h1>基础列表渲染</h1>
          <ul>
            <!-- <li v-for="item in items" :key="item.id" v-on:click="items.splice(index,1)"></li> -->
            <li v-for="(item, index) in items" :key="item.id" v-on:click="del(index)">
              学号: {{item.id }} --- 姓名: {{item.name}}
            </li>
          </ul>
    </div>

    <!-- 使用javascript 脚本 -->
    <script type="text/javascript">
      var vm = new Vue({
        // 挂载点
        el: "#app",
        // 数据
        data: {
            // 临时变量，用于接收用户输入的值
          tempId: "",
          tempName: "",
          items: [
            { id: 202319180601, name: "陈全扬" },
            { id: 202319180602, name: "陈严标" },
            { id: 202319180603, name: "陈宇" },
            { id: 202319180604, name: "陈宇航" },
          ],
        },
        // 方法
        methods: {
            addItem() {
                // 添加数据
                if(this.tempId && this.tempName){
                    this.items.push({id:this.tempId,name:this.tempName});
                // 清空输入框
                this.tempId = "";
                this.tempName = "";
                }       
            },
            del(index) {
                // 删除数据
                this.items.splice(index,1);
            }
        },
      });
    </script>
  </body>
</html>
